Solid as rock

Synonyms for solid as rock
adj fixed

consistent
perpetual
steady
uninterrupted
regular
unbroken
stable
continual
nonstop

even
firm
invariable
uniform
permanent
connected
equable
habitual
homogeneous

immutable
monotonous
standardized
steadfast
together
unalterable
unchanging
unflappable
unvarying

stabile
monochrome
like the Rock of Gibralter
monophonic
of a piece
regularized
unfluctuating

Antonyms for solid as rock

inconsistent
inconstant
temporary
unstable
unsteady
wobbly
discontinuous
intermittent
interrupted
infrequent
changeable

changing
fickle
varying
concluding
disloyal
flagging
undecided
undetermined
untrue
untrustworthy
irregular

unfixed
broken
imbalanced
different
fluctuating
wavering
ending
stopping
terminable
terminating

Synonyms
adj fastened, stable

solid
strong
sure
sound
firm
set

locked
fortified
steady
bound
fast
iron

staunch
fixed
immovable
tenacious
tight
adjusted

anchored
nailed
buttoned down
safe and sound
solid as a rock

Antonyms

unstable
changeable
indefinite
irresolute
movable
unsteady
impermanent
endangered

unprotected
unsafe
uncertain
undecided
unsure
soft
flexible
loose

weak
unfixed
broken
insecure
moving
unfastened
unsecure

Synonyms
adj decided

firm
bent
stated
specified
rooted
established
confirmed
pat
immovable
obstinate
ironclad
predetermined

intent
entrenched
appointed
regular
prescribed
determined
scheduled
fixed
settled
certain
customary
decisive

definite
inveterate
pigheaded
resolute
rigid
steadfast
stubborn
unflappable
usual
concluded
agreed
resolved

stipulated
arranged
prearranged
dead set on
hanging tough
locked in
set in stone
solid as a rock
stiff-necked
well-set

Antonyms

changeable
indefinite
irresolute
undecided
infrequent
unsteady

variable
movable
flexible
weak
yielding
moving

unsettled
wavering
unfixed
soft

Synonyms
adj constant, fixed; resistant

secure
solid
durable
safe
steady
fast
permanent
calm
balanced
strong
substantial
reliable
lasting

even
established
set
tough
stout
invariable
uniform
firm
abiding
enduring
staunch
sound
stalwart

deep-rooted
equable
immutable
resolute
stationary
steadfast
sturdy
sure
together
unalterable
unchangeable
unvarying
unwavering

well-founded
perdurable
nailed
anchored
stabile
poised
brick-wall
set in stone
solid as a rock
staying put
unfluctuating
well-built

Antonyms

unprotected
unsafe
unstable
intermittent
undependable
unreliable
untrustworthy
vulnerable
impermanent
temporary

ephemeral
unsound
indefinite
changeable
changing
irresolute
inconstant
wobbly
insecure
loose

unfixed
soft
broken
weak
imbalanced
different
flexible
shaky

Synonyms
adj stable, fixed

constant
solid
reliable
safe
substantial
durable
regular
even
firm

set
immovable
uniform
abiding
enduring
certain
changeless
equable
steadfast

sure
unchangeable
unchanging
unfaltering
unqualified
unshaken
unvarying
unwavering
steady-going

unquestioning
patterned
stabile
brick-wall
never-failing
set in stone
solid as a rock
unfluctuating

Antonyms

unsteady
untrustworthy
undependable
unreliable
vulnerable
indefinite
movable

unstable
wobbly
discontinuous
intermittent
unfaithful
irregular
different

flexible
soft
moving
unfixed
weak
broken
imbalanced

Synonyms
adj healthy

strong
together
sound
trim
great
right
fit
fine

hardy
hale
blooming
husky
whole
flourishing
able-bodied
chipper

fresh
hearty
robust
sane
vigorous
wholesome
alive and kicking
bright-eyed

bushy-tailed
in good health
in the pink
right as rain
solid as a rock
strong as an ox
up to par
wrapped tight

Antonyms

incomplete
infirm
inappropriate
unsuitable
unsuited
diseased

unfortunate
unlucky
unfit
unhealthy
rough
little

small
weak
poor
sick
ill
unhappy